A company wants a cost-effective option when running its applications in an Amazon EC2 instance for short time periods. The applications can be interrupted. Which EC2 instance type will meet these requirements?
A. Spot Instances
Spot Instances are a cost-effective option for running applications on Amazon EC2 for short periods of time. These instances are available at a significant discount compared to On-Demand instances, with hourly rates that can be up to 90% lower. Spot Instances can be interrupted by Amazon EC2 with a two-minute notification when EC2 needs the capacity back, this makes them suitable for applications that can be interrupted.
On-Demand Instances are instances that you can launch at any time and pay for by the hour, they are the most flexible and they don't have the same cost-effectiveness as Spot instances.
Reserved Instances are a cost-effective option for customers who can commit to using a specific instance type for a period of time, they are not as cost-effective as Spot instances for short-term runs.
Dedicated Instances are a type of EC2 instance that runs on a dedicated, single-tenant host, This type of instances are more expensive than the others and not suitable for short-term runs.
A. Spot Instances
"Spot Instances are a cost-effective choice if you can be flexible about when your applications run and if your applications can be interrupted. For example, Spot Instances are well-suited for data analysis, batch jobs, background processing, and optional tasks."
https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-spot-instances.html
Spot Instances are a cost-effective option for running applications in Amazon EC2 instances for short time periods. They allow you to bid on unused EC2 capacity, and you pay the Spot price for the instance type you choose. Spot Instances can be interrupted with a two-minute notification when EC2 needs the capacity back, but they can significantly reduce costs compared to On-Demand or Reserved Instances, making them suitable for applications that can handle interruptions or are fault-tolerant.
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